Nancy is saving $2 from her allowance. marco is saving $1 the fist week, $2 the second week, $3 the third week, and so on. at the end of 10 weeks, who will have saved more money? how much more?

what are the options? ?

step-by-step explanation:

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2